RESULTS

(4)

FILTER

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce

Leaf with black, greasy spots that tend to be vein delimited. Lesions begin as small, angular, water-soaked lesions that coalesce, resulting in large necrotic areas.

Bacterial leaf spot (Head rot) | Lettuce

DISEASE: Bacterial leaf spot (Head rot)

HOST: Lettuce (Lactuca sativa)

PATHOGEN: Xanthomonas axonopodis pv. vitians

PATHOGEN SYNONYM: Xanthomonas campestris pv. vitians

SOURCE: A. Alvarez

DISEASE: Bacterial leaf spot

HOST: Elm

Leaf with small, dark brown lesions and necrosis along veins.

Bacterial leaf spot | Elm

DISEASE: Bacterial leaf spot

HOST: Elm (Ulmus americana)

PATHOGEN: Pseudomonas syringae pv. ulmi

SOURCE: W. Sinclair

DISEASE: Enterobacter bulb decay

HOST: Onion

Onion bulb with extensive soft, brown rot.

Enterobacter bulb decay | Onion

DISEASE: Enterobacter bulb decay

HOST: Onion (Allium cepa)

PATHOGEN: Enterobacter cloacae

SOURCE: H. Schwartz

DISEASE: Internal yellowing

HOST: Papaya

Yellow discoloration of flesh. The affected area is soft and has an acrid odor.

Internal yellowing | Papaya

DISEASE: Internal yellowing

HOST: Papaya (Carica papaya)

PATHOGEN: Enterobacter cloacae

SOURCE: K. Nishijima